iPadOS 11.2.5 (build 15D5059a) is an official Apple over-the-air update for the iPad Air (Cellular), released on 2018-01-17T18:04:37Z. The update package is 148.51 MB. This is a delta (partial) update that requires 11.2.5 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 70245ba7a222b42a17176e76130e8b5aeb08bfc7.zip.